Picture: Edexlive NASA's Perseverance Mars rover made history earlier this year by successfully landing on the red planet. Nearly seven months after its takeoff, the Perseverance rover landed at Mars' Jezero Crater on February 19, 2021. Here's all we know about NASA's rover mission. What is a rover? Ans: According to the universally accepted definition, a rover (or sometimes planetary rover) is a "planetary surface exploration device designed to move across the solid surface on a planet or other planetary-mass celestial bodies. Some rovers have been designed as land vehicles to transport members of a human spaceflight crew; others have been partially or fully autonomous robots. Rovers are typically created to land on another planet (other than Earth) via a lander-style spacecraft, tasked to collect information about the terrain and to take crust samples such as dust, soil, rocks, and even liquids."